Arogonit Speleo Association
- Caving and caves in Kosova. Cave descriptiond, gallery, contacts and links.
- http://www.aragonit-speleo.org/en

Romanian Speleology Karstology Society
- Organisation aiming to explore and protect the Romanian karstic areas. Schedule, gallery and news.
- http://srsc.speologie.ro/indexen.php

Romanian Speleological Institute
- Engaged in interdisciplinary speleological research in Romania. Includes institute history.
- http://www.uib.no/People/nglbn/iser.htm

Czech Speleological Society
- Founded in 1978. Dedicated to exploration and scientific research and features international conferences, workshops and expeditions. Includes contact information. [Czech and English].
- http://www.speleo.cz/index.php?lang=en

Balkan Speleological Union
- Aiding cooperation amongst caving organisations within the Balkan countries. Articles, events, news, club information and contacts.
- http://www.balkan-speleo.org

Icelandic Speleological Society
- Founded in 1989 for exploration, surveying, conservation and fellowship. Publishes irregular bulletins and newsletters. Includes photos and contacts. [Icelandic and English].
- http://www.speleo.is/

Groupe Spéléologique Luxembourgeois (G.S.L.)
- Member of UIS and FSCE. Offers trips to Müllerthal area. Includes photos and contact information.
- http://www.speleo.lu/

Speleo Nederland
- Includes magazine summaries, photos and contacts. [Dutch with some pages in English].
- http://www.speleo.nl/